Mott MacDonald
Principal Mechanical Engineer (Public Health)
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** Principal Mechanical Engineer (Public Health) – Croydon, London**
Location/s: Croydon, London Recruiter Contact: David McFall
About the Company
Mott MacDonald is a global engineering, management, and development consultancy, employing over 20,000 professionals across 50+ countries and 140+ offices. We deliver innovative solutions across leading industries, driving impactful progress within communities worldwide.
As an employee-owned business, we prioritise collaboration, continuous learning, and individual growth. Our culture fosters success through empowering diverse teams, ensuring every colleague feels valued and equipped to excel.
About the Business Unit
We specialise in conceiving, driving, and implementing transport solutions for cities, asset owners/operators, and regions globally. Our expertise spans:
- Business case development
- Revenue procurement & environmental compliance
- End-to-end infrastructure planning, engineering, and management
- Delivering the Global Transport Sector Strategy
Role Overview
We seek an energetic and proactive Principal Mechanical Engineer (Public Health) to lead our Tunnel Systems MEP team, driving excellence in design and project delivery.
Key Focus:
- Overseeing technical quality and engineering compliance
- Leading public health engineering from concept through to execution
- Enhanced responsibility over detailed calculations, equipment specifications, and regulatory compliance
Key Responsibilities
- Project Leadership:
- Lead teams of engineers and technicians
- Manage and coordinate multi-disciplinary project teams
- Ensure alignment with agreed technical frameworks
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Technical Deliverables:
- Develop reliable design solutions, reports, specifications, and drawings
- Present technical solutions to clients and stakeholders
- Oversee integration of mechanical/public health systems with broader designs
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Bid & Business Growth:
- Contribute to bid management and business development
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Team Development:
- Mentor and guide junior engineers in technical and professional growth
Qualifications & Requirements
Essential
- Degree qualification with membership of a relevant professional body (e.g., IMechE, CIBSE)
- Chartered Engineer status (or equivalent relevant experience)
- Experience in major engineering and construction environments
Technical Expertise
Must demonstrate proficiency in:
- Pumped foul water systems
- Surface water drainage
- Above-ground soil/waste systems
- Hot/cold-water systems
- Gas detection systems
- Compressed air systems
- Fire hydrant/suppression systems
- Sprinkler and hose reel designs
Desirable
- Transport infrastructure project experience (highways, tunnels, etc.)
- Knowledge of CDM Regulations 2015
- Multidisciplinary project management skills (design-build partnerships)
- Proven organisation and ability to deliver against deadlines
- Proficiency in software: Bluebeam, Hevacomp, MicroDrainage, Revit, ProjectWise, MS Office
- Experience in BIM procurement and integration
Location & Work Arrangements
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- Primary Location: Croydon, London
- Travel Requirement: Occasional UK/overseas work dependent on project demands
📅 UK Immigration Note Mott MacDonald can no longer sponsor Skilled Worker visa holders due to government policy changes (April 2024). Applications from candidates on alternative immigration routes are welcome.
Benefits & Culture
Financial Wellbeing
- Pension match: up to 4.5%–7%
- Life assurance: 4x salary (expandable to 6x)
- Income protection and absence return schemes
- Flexible employment‐linked benefits
Employee Ownership
- Profit-sharing and individual/groups bonuses
- Direct stake in business success (team/increasing reliance increases share)
- Active participation in shaping organisational strategy
Health & Wellbeing
- Private medical insurance (UK)
- Family health cash plan & specialist support (e.g., Peppy menopause therapy)
- Flexible health/lifestyle benefit options (extend to family)
Work-Life Balance
- 33–35 days annual leave (35+ after 5 years)
- Enhanced parental/family leave: 26 weeks paid maternity/adoption, orphan leave, and discretionary caring days
- Family discount programmes
Development & Community
- Subsidised professional institution memberships
- Learning through mentoring, training, and self-development
- Employee networks for inclusive diversity (LGBTQ+, gender, race, disability, parenting carers)
- Social impact initiatives through our collaborations
How to Apply
More information or direct application here.
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